Synonyms for Two:

adj.

double (adjective)
bifurcated, bilateral, binary, double, double-barreled, double-faced, dual, dualistic, duple, duplex, duplicate, dyadic, paired, second, twice, twin, twinned, two-faced, two-sided, bi-form, two-fold.
dual (adjective)
both, coupled, either, matching, dual.
having two of something (adjective)
bilateral, dualistic, dyadic.

n.

billion, cardinal number, crore, eight, eighteen, eighty, eleven, fifteen, fifty, five. group, same. artifact (noun)
deuce.
duality (noun)
brace, couple, couplet, doublet, duet, dyad, match, pair, span, team, twosome, yoke.
duplication (noun)
bifurcation, duo.
twin (noun)
bifid.
two (noun)
cardinal, deuce, ii, 2.
two of something (noun)
bifurcation, binary, brace, couple, deuce, double, doublet, dual, duet, dyad, pair, span, team, twin.

Other synonyms:

Other relevant words:
bifid, billion, cardinal, cardinal number, crore, deuce, eight, eighteen, eighty, eleven, fifteen, fifty, five, group, ii, same, 2.

Usage examples for two

  1. " Yes; if I could get one out, I could get two – The Rangeland Avenger by Max Brand
  2. I want to ask you a question or two – The Log of a Privateersman by Harry Collingwood
  3. And I've thought of two things. – K by Mary Roberts Rinehart